Home / 5,880.02-8,109.68-5,170.39

Finding the Fourth Proportional to 5,880.02, 8,109.68 and 5,170.39

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Solution

The fourth proportional to 5,880.02, 8,109.68 and 5,170.39 is: 7,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.02 : 8,109.68 = 5,170.39 : x
  2. Step 2: Convert to fraction form
    5,880.02/8,109.68 = 5,170.39/x
  3. Step 3: Cross multiply
    5,880.02x = 8,109.68 × 5,170.39
  4. Step 4: Simplify right side
    5,880.02x = 41,930,162.25
  5. Step 5: Solve for x
    x = 41,930,162.25/5,880.02
  6. Step 6: Final answer
    x = 7,130.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.